//
// ignore-lexer-test FIXME #15883
+#![allow(unknown_features)]
+#![feature(box_syntax)]
#![feature(unsafe_destructor)]
pub type Task = int;
use std::mem::{replace, swap};
use std::mem;
use std::thread::Thread;
- use std::kinds::Send;
+ use std::marker::Send;
pub struct Stuff<T> {
state: state,